1931 Premio Reale di Roma
7 June - Littorio: 4.000 km
4 heats (25 laps = 100 km) + final (60 laps = 240 km)

Results:

Heat 1: cyclecars 100 km

1 14 José Scaron        Amilcar        45.53.6
2 12 Louis Decaroli     Salmson        49.12.0 
3 26 Filippo Ardizzone  Delage         50.59.2
4 10 Gianfranco Comotti Salmson        51.50.4
5 22 Luigi del Re       Lombard AL3    56.46.6
6 16 Attili             Salmson      1:03.05.0

Did Not Finish:

  34 Giovanni Serra     Amilcar            Ignition
  20 Giorgio Domingo    Lombard AL3			 
   6 Francesco Matrullo Salmson				
  32 Gerolamo Ferrari   Talbot 700         Oil Pipe
  36 Luigi Platé        BNC 527 Ruby       Ignition 
   8 Luigi Premoli      Salmson        ± 7

Did not start:

   2 Luigi Fagioli      Salmson		
   4 Sily               SZ
  18 Pietro Bucci       Lombard AL3
  24 Guido Boria        Maserati 26C (8C-1100)
  28 Secondo Corsi      Maserati 26C (8C-1100)
  30 Arzilla            Amilcar

Fastest lap: José Scaron       1.33.2


 
Heat 2:  2-litres 100 km

1 58 Clemente Biondetti  Maserati 26R (8C-1700)   41.23.0
2 78 Giuseppe Savi       Maserati 26B (8C-2100)   42.04.6
3 40 Luigi Castelbarco   Bugatti T35C             42.51.0
4 38 Giovanni Minozzi    Bugatti T35C             42.55.6
5 52 Renato Balestrero   Talbot 700               44.38.6
6 62 Alfredo Sebastiani  Maserati 26B (8C-2000)   46.50.0

Not classified:

7 56 Tazio Nuvolari      Bugatti T35C             13

Retirements:
  44 Consule Muti        Maserati 26B (8C-2000)   20±
  50 Amedeo Ruggeri      Talbot 700               15  Oil Pipe
  60 "Rover"             Itala
  46 Carlo Pedrazzini    Maserati 26M (8C-2000)    1

Did not start:
  42 Emilio Gola         Bugatti T35
  54 Panerai             Maserati 26B (8C-2000)
  64 Renato Danese       Bugatti T35
  66 Giovanni Tabacchi   Bugatti T35C

Fastest lap: Giovanni Minozzi   1.33.0



Heat 3: 3-litres  100 km

1 68 Achille Varzi    Bugatti T51             37.47.2
2 72 Luigi Fagioli    Maserati 26M (8C-2500)  37.52.2
3 70 René Dreyfus     Maserati 26M (8C-2500)  38.05.0
4 74 Domenico Cerami  Maserati 26 (8C-2100)   41.20.2
5 80 Tazio Nuvolari   Bugatti T35B            42.42.2

Did not start:
  76 Androni          Maserati 26 (8C-2100)

Fastest lap: Achille Varzi  ()  1.28.6



Heat 4: 3+ litres  100 km

1 82 Ernesto Maserati    Maserati V4 (16C-4000)   40.34.4
2 84 Roberto di Vecchio  Itala 75 Hispano Suiza   46.52.0

Fastest lap: Ernesto Maserati  (Maserati V4)  1.28.6



Final: 240 km

1 82 Ernesto Maserati     Maserati V4 (16C-4000)   1:34.32.2
2 70 René Dreyfus         Maserati 26M (8C-2500)   1:35.36.0
3 58 Clemente Biondetti   Maserati 26R (8C-1700)   1:39.36.6
4 50 Amedeo Ruggeri       Talbot 700               1:39.49.8
5 74 Domenico Cerami      Maserati 26 (8C-2100)    1:41.10.0
6 72 Luigi Fagioli        Maserati 26M (8C-2500)   1:50.02.8

Not classified:

7 40 Luigi Castelbarco    Bugatti T35C             55
8 78 Giuseppe Savi        Maserati 26B (8C-2100)   53

Retirements:

  38 Giovanni Minozzi     Bugatti T35C             37
  68 Achille Varzi        Bugatti T5               31 Ignition
  14 José Scaron          Amilcar                   5 Clutch
  80 Tazio Nuvolari       Bugatti T35B              5 Valve Spring

Fastest lap:  Achille Varzi   1.28.4

Race notes:
  1) Minozzi started in the final however he retired in the 2nd heat.